National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Baltimore / Martin (KMTN)

Lat: 39.33°NLon: 76.42°WElev: 23ft.

Fair

55°F

13°C

Humidity 100%
Wind Speed S 3 mph
Barometer 30.09 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 10 Mar 10:54 am EDT
Extended Forecast for

Long Green MD

  • Today

    Today: Sunny, with a high near 74. South wind 3 to 7 mph.

    High: 74 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 54. Calm wind.

    Low: 54 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 74. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 50%.

    High: 74 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers before midnight, then a chance of rain between midnight and 1am, then showers likely after 1am. Mostly cloudy, with a low around 50. South wind 8 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday

    Thursday: Rain showers likely before 5pm, then a slight chance of rain and snow showers. Mostly cloudy, with a high near 52. Breezy, with a northwest wind 16 to 20 mph, with gusts as high as 36 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 52 °F

    Showers
    Likely and
    Breezy then
    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 50. Breezy.

    High: 50 °F

    Mostly Sunny
    then Mostly
    Cloudy and
    Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 74. South wind 3 to 7 mph.
Tonight
Mostly clear, with a low around 54. Calm wind.
Wednesday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 74. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 50%.
Wednesday Night
A chance of showers before midnight, then a chance of rain between midnight and 1am, then showers likely after 1am. Mostly cloudy, with a low around 50. South wind 8 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain showers likely before 5pm, then a slight chance of rain and snow showers. Mostly cloudy, with a high near 52. Breezy, with a northwest wind 16 to 20 mph, with gusts as high as 36 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday Night
Partly cloudy, with a low around 30.
Friday
Partly sunny, with a high near 50. Breezy.
Friday Night
Mostly cloudy, with a low around 38.
Saturday
Mostly sunny, with a high near 52.
Saturday Night
Mostly cloudy, with a low around 38.
Sunday
Mostly cloudy, with a high near 60.
Sunday Night
Showers. Low around 44. Chance of precipitation is 80%.
Monday
Showers. High near 53. Breezy. Chance of precipitation is 80%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Long Green MD
 39.48°N 76.52°W (Elev. 495 ft)
Last Update:
10:53 am EDT Mar 10, 2026
Forecast Valid:
11am EDT Mar 10, 2026-6pm EDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation